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<TITLE>[Chapter 30] 30.10 java.util.Hashtable (JDK 1.0)</TITLE>
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<h2 CLASS=sect1><A CLASS="TITLE" NAME="JNUT2-CH-30-SECT-10">30.10 java.util.Hashtable (JDK 1.0)</A></h2>

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<h3 CLASS=sect2><A CLASS="TITLE" NAME="JNUT2-CH-30-SECT-10.1"></A></h3>
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<P CLASS=para>
This class implements a hashtable data structure, which
allows you to associate values with a key and to efficiently
look up the value associated with a given key. A hashtable
is essentially an associative array, which stores objects
with non-numeric array indices.

<P CLASS=para>
<tt CLASS=literal>put()</tt> associates a value with a key in a
<tt CLASS=literal>Hashtable</tt>. <tt CLASS=literal>get()</tt> retrieves a value for a
specified key. <tt CLASS=literal>remove()</tt> deletes a key/value
association. <tt CLASS=literal>keys()</tt> and <tt CLASS=literal>elements()</tt> return
<tt CLASS=literal>Enumeration</tt> objects that allow you to iterate
through the complete set of keys and values stored in the
table.

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<PRE>
public class <tt CLASS=literal>Hashtable</tt> extends Dictionary implements Cloneable, Serializable {
    // <tt CLASS=literal>Public Constructors</tt>
            public <tt CLASS=literal>Hashtable</tt>(int <tt CLASS=literal>initialCapacity</tt>, float <tt CLASS=literal>loadFactor</tt>);
            public <tt CLASS=literal>Hashtable</tt>(int <tt CLASS=literal>initialCapacity</tt>);
            public <tt CLASS=literal>Hashtable</tt>();
    // <tt CLASS=literal>Public Instance Methods</tt>
            public synchronized void <tt CLASS=literal>clear</tt>();
            public synchronized Object <tt CLASS=literal>clone</tt>();  //<tt CLASS=literal> Overrides Object</tt>
            public synchronized boolean <tt CLASS=literal>contains</tt>(Object <tt CLASS=literal>value</tt>);
            public synchronized boolean <tt CLASS=literal>containsKey</tt>(Object <tt CLASS=literal>key</tt>);
            public synchronized Enumeration <tt CLASS=literal>elements</tt>();  //<tt CLASS=literal> Defines Dictionary</tt>
            public synchronized Object <tt CLASS=literal>get</tt>(Object <tt CLASS=literal>key</tt>);  //<tt CLASS=literal> Defines Dictionary</tt>
            public boolean <tt CLASS=literal>isEmpty</tt>();  //<tt CLASS=literal> Defines Dictionary</tt>
            public synchronized Enumeration <tt CLASS=literal>keys</tt>();  //<tt CLASS=literal> Defines Dictionary</tt>
            public synchronized Object <tt CLASS=literal>put</tt>(Object <tt CLASS=literal>key</tt>, Object <tt CLASS=literal>value</tt>);  //<tt CLASS=literal> Defines Dictionary</tt>
            public synchronized Object <tt CLASS=literal>remove</tt>(Object <tt CLASS=literal>key</tt>);  //<tt CLASS=literal> Defines Dictionary</tt>
            public int <tt CLASS=literal>size</tt>();  //<tt CLASS=literal> Defines Dictionary</tt>
            public synchronized String <tt CLASS=literal>toString</tt>();  //<tt CLASS=literal> Overrides Object</tt>
    // <tt CLASS=literal>Protected Instance Methods</tt>
            protected void <tt CLASS=literal>rehash</tt>();
}
</PRE>
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<DIV CLASS=sect2>
<h3 CLASS=sect2><A CLASS="TITLE" NAME="JNUT2-CH-30-SECT-10.2">Hierarchy:</A></h3>

<P CLASS=para>
Object->Dictionary->Hashtable(Cloneable, Serializable)

</DIV>

<DIV CLASS=sect2>
<h3 CLASS=sect2><A CLASS="TITLE" NAME="JNUT2-CH-30-SECT-10.3">Extended By:</A></h3>

<P CLASS=para>
Properties

</DIV>

<DIV CLASS=sect2>
<h3 CLASS=sect2><A CLASS="TITLE" NAME="JNUT2-CH-30-SECT-10.4">Passed To:</A></h3>

<P CLASS=para>
CropImageFilter.setProperties(), 
ImageConsumer.setProperties(), 
ImageFilter.setProperties(), 
MemoryImageSource(), 
PixelGrabber.setProperties(), 
ReplicateScaleFilter.setProperties()

</DIV>

<DIV CLASS=sect2>
<h3 CLASS=sect2><A CLASS="TITLE" NAME="JNUT2-CH-30-SECT-10.5">Type Of:</A></h3>

<P CLASS=para>
GridBagLayout.comptable

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